Our building automation products are meticulously engineered to provide convenient access, flexible application, and easy installation and expansion capability. All Reliable Controls building controllers are BACnet Listed with the BACnet Testing Laboratory (BTL).

BACnet Testing Labs BTL Certified Mark

About BTL Listed Products The BACnet Testing Laboratory is an unbiased testing lab for building control products. The BACnet Testing Laboratories (BTL), which is part of BACnet International, offers a product testing and listing program for products that have BACnet capability. The BTL's authorized test laboratories will test the BACnet functionality of a product to a set of requirements developed by the BTL that are based on ASHRAE Standard 135.1P. Products that meet the BTL's requirements are eligible to receive a BTL listing.

RC-FLEX Family

RC-FLEXone Series

One controller, hundreds of applications.


Freely programmable BACnet Building Controller designed for a wide range of equipment and room control applications.

RC-FLEXair Series

Freely programmable BACnet Building Controller designed for advanced VAV and terminal unit control.

MACH-Pro Family

MACH-ProView Series

Freely programmable and expandable BACnet Building Controllers with color LCD touch screen or Wi-Fi mobile phone interface.

MACH-ProWeb Series

Freely programmable and expandable BACnet Building Controllers with built-in Operator Workstation web server.

MACH-Pro Series

Freely programmable and expandable BACnet Building Controllers for HVAC control.

SMART-Space Series

Freely programmable BACnet controller with simple three-button, LCD interface.

Security Series

Configurable BACnet controller for door access control.